Spring is stocked at Crowder Supply under part number MB503SP01. This is a spring element it returns or preloads the mechanism, and its free length and rate determine whether the assembly cycles correctly.
Crowder’s breakdowns list this part on the MP4H-DH Hammer, 4HDS Hammer, 55BH Hammer, 4HRSD Hammer, Mincon 3 Hammer and MC30 Hammer.
Use the parts diagram library to work through the rest of the assembly. It ships out of Denver, same day on in-stock orders placed before 4 PM ET.
- Part number: MB503SP01
- Manufacturer: Mincon
- Crowder SKU: MB503SP01
- Listed on breakdowns for: MP4H-DH Hammer, 4HDS Hammer, 55BH Hammer, 4HRSD Hammer, Mincon 3 Hammer, MC30 Hammer

